The Silent Invaders
From Author Wars - https://authorwars.com/publications/the-silent-invaders-261511.html
Overview:
- Title: The Silent Invaders
- Author: Robert Silverberg
- Year: 1973
- Publisher: Ace Books
- Price: $0.95
- Pages: [6]+152+[2]
- Binding: Paperback
- Type: Novel
- Title Reference: The Silent Invaders
- Notes:
- "First Ace printing: April, 1963"
- "Second Ace printing: August, 1973"; no number line
- Cover artist credit from original painting.